| 1 | /**
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| 2 | * FrameSaver.java
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| 3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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| 4 | *
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| 5 | * This program is free software: you can redistribute it and/or modify
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| 6 | * it under the terms of the GNU General Public License as published by
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| 7 | * the Free Software Foundation, either version 3 of the License, or
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| 8 | * (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 |
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| 19 | package org.expeditee.network;
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| 20 |
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| 21 | import java.io.BufferedReader;
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| 22 | import java.io.IOException;
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| 23 | import java.io.StringReader;
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| 24 | import java.net.DatagramPacket;
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| 25 |
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| 26 | import org.expeditee.gui.FrameIO;
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| 27 | import org.expeditee.gui.MessageBay;
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| 28 |
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| 29 | public class FrameSaver extends DefaultServer {
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| 30 | public final static int OFFSET = 1;
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| 31 |
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| 32 | public FrameSaver(int port) throws IOException {
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| 33 | super("FrameSaver", port + OFFSET);
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| 34 | }
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| 35 |
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| 36 | @Override
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| 37 | protected void listenForMessages() throws IOException {
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| 38 | byte[] buf = new byte[MAX_PACKET_LENGTH];
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| 39 |
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| 40 | // receive request
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| 41 | DatagramPacket packet = new DatagramPacket(buf, buf.length);
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| 42 | socket.receive(packet);
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| 43 |
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| 44 | BufferedReader packetContents = new BufferedReader(new StringReader(
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| 45 | new String(packet.getData(), 0, packet.getLength())));
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| 46 |
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| 47 | // Get the name of the frame
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| 48 | String frameName = packetContents.readLine();
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| 49 | int version = Integer.parseInt(packetContents.readLine());
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| 50 |
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| 51 | MessageBay.displayMessage("Recieved request to save " + frameName);
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| 52 |
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| 53 | // TODO: find out what's causing a NullPointerException here
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| 54 | try {
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| 55 | FrameIO.SavePublicFrame(FrameShare.getInstance().getPeerName(
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| 56 | packet.getPort() + 2, packet.getAddress()), frameName, version,
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| 57 | packetContents);
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| 58 | } catch(Exception e) {
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| 59 | e.printStackTrace();
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | }
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